Top Front End Developer Jobs in Paris

Build and improve HarfangLab’s cybersecurity platform as part of the frontend team. Integrate new features, maintain scalable and readable code, improve code quality, and collaborate with UX, backend, agent, AI, and DevOps teams using agile methods. The role requires strong frontend development experience, Vue.js expertise, modern JavaScript, CSS proficiency, and familiarity with Git and Linux.

Own the end-to-end mobile experience across onboarding and core app surfaces. Build polished, reliable interfaces with Expo and React Native, contribute across the full stack, write precise specifications for AI agents, review generated code, and deliver quickly in a collaborative Paris-based team.

Define the multi-year technical vision for Algolia’s frontend platform and lead architecture across the Dashboard, shared component libraries, public SDKs, and frontend products. Design scalable, highly available, performant solutions; establish API, versioning, compatibility, and engineering standards; drive cross-team adoption; and mentor engineers. The role requires deep frontend expertise alongside full-stack understanding, with an interest in conversational and agentic interfaces.

Leads and mentors a frontend engineering team while remaining hands-on with coding, architecture, code reviews, and technical delivery. Owns migration to Nuxt.js and server-side rendering, performance engineering, Core Web Vitals, and technical SEO. Manages team performance, career development, and work allocation while collaborating with product, backend, and cross-functional stakeholders to deliver scalable, high-quality software.

Develop frontend interfaces and A/B experiments for a health-focused AI product using Vue 3, TypeScript, and Vite. Improve design systems and AI-assisted development workflows, own features from concept through production, collaborate across engineering, design, product, and analytics, and optimize performance, reliability, and development velocity using user data and experimentation results.

Develop and maintain responsive frontend applications using TypeScript, integrate APIs and services, implement UI/UX designs, optimize performance and scalability, apply frontend security and data protection practices, troubleshoot issues, participate in code reviews, and contribute to open-source privacy-focused projects.

Develop customer dashboard features, improve frontend performance, resolve QA and production bugs, plan and prioritize engineering work, and use AI-assisted tools in daily development. The role requires strong Angular experience and offers autonomy in shaping technical proposals and owning initiatives. Engineers may optionally grow into full-stack development with Symfony and PHP, while continuing to deepen frontend expertise or pursue technical leadership.

Provide first-line functional support for e-commerce applications across France and Italy. Coordinate incident resolution with business and IT stakeholders, document support procedures, identify recurring issues, and drive service improvements. Support stable ECOM and direct-to-consumer operations while maintaining clear communication and follow-up. The role requires application support experience, basic database and SQL knowledge, familiarity with Quable, Shopify, Klaviyo, retail infrastructure, functional data flows, and project methodologies.

Build and own complex, high-performance frontend experiences for observability products using Angular or another major frontend framework. Lead frontend architecture, translate complex data into intuitive interfaces, collaborate cross-functionally, write tested production code, review code, mentor engineers, and drive features from concept through production.

Build and ship high-traffic frontend features for Sorare’s fantasy sports platform. Responsibilities include architecting web experiences, driving projects from inception through launch, collaborating with product, design, and backend teams, optimizing performance and mobile usability, measuring outcomes, and contributing to web strategy. The role requires strong ownership, pragmatic decision-making, rapid iteration, and collaboration in English and French.

Own Restate’s frontend product experience, building fast, accessible, secure interfaces for monitoring durable workflows and distributed systems. Develop data-intensive timelines, charts, filtering, search, live updates, client state, and shared components. Collaborate directly with design, engineering, and founders from concept through production. Improve performance, usability, testing, information design, and safe handling of untrusted content while contributing to API and backend discussions when needed.

Build and improve high-quality web products and reusable design-system components. Own frontend performance, including data loading, caching, server rendering, and streaming. Apply strong product judgment to complex UX problems and collaborate with designers, engineers, and product leaders. Work autonomously across products, establish frontend quality standards, and help elevate team practices through technical leadership and craftsmanship.

Lead a team of software engineers while designing and implementing high-performance user interfaces; manage direct reports and support their career development.

The Frontend Developer will design and implement the web frontend for the SaaS platform Construct, collaborating with various teams and enhancing the user experience while adhering to Agile principles.

As a Front-End Web Developer, you'll create responsive web applications, collaborate with design and development teams, and optimize user interfaces for a large user base.

Build and maintain high-performance, production-grade UIs using React and TypeScript. Collaborate with backend engineers and product managers to design APIs, implement AI-driven features, and develop advanced, real-time data visualizations while contributing to the internal design system and optimizing performance.

Build and maintain user-facing features and interfaces for Restream web services. Design and implement UI and business logic, collaborate with product designers and engineers, perform code reviews, improve reliability and scalability, and evaluate emerging technologies.

Design and implement complex customer-facing frontend features using TypeScript and React. Provide technical leadership, mentor junior engineers, drive frontend architecture and best practices, improve performance and accessibility, partner with product/design, integrate with backend APIs, and manage technical debt and scalability.

6-month software engineering internship working on front-end or full-stack projects: build UI components, API visualizations, or end-to-end features using TypeScript/JavaScript and C#/.NET. Work in a small team with a mentor, participate in design, testing, and production roll-outs, and apply best practices at scale.

As a Senior Frontend Engineer, you'll create production-ready web components using React and TypeScript, optimize performance, and collaborate with teams to deliver complex UIs for AI applications.

Build and improve Restream’s web interfaces and user-facing features for the AI Clips team. Design UI and business logic, collaborate with product designers, participate in code reviews, improve system reliability, and evaluate emerging technologies. The role requires strong JavaScript and TypeScript expertise, advanced React knowledge, CSS preprocessor experience, and familiarity with backend development, cloud infrastructure, containers, and continuous deployment.

Own and shape the customer-facing web app and marketing landing page using React/Next.js. Define frontend architecture, standards, accessibility, performance, and developer tooling. Build complex, data-rich UIs with designers and full-stack engineers, improve CI/CD and developer experience, and introduce AI-assisted frontend workflows.

Develop user interfaces for crypto applications, maintain existing applications, collaborate with teams, and ensure code quality.

As a Frontend Engineer, you will build and enhance frontend solutions for financial configurations, develop internal tools, and create customer-facing interfaces, ensuring high performance and quality in financial applications.

Develop user interfaces for a tactical Command and Control system, focusing on real-time data visualization, video streaming, and mission planning tools while ensuring optimal performance and user experience.